Mobile phones could one day be powered by your banter, if research being carried out by two US universities proves fruitful.
Tahir Cagin, a professor from the A&M University in Texas, together with a team from the University of Houston, discovered that the energy-harvesting capabilities of piezoelectric materials improve by …

COMMENTS

Old story

This was argued to death on Slashdot over a week ago.

But the main thing is that there are various rules of physics which mean this simply isn't possible. Even if the noise energy from the mouth could be tapped with 100% efficiency (LMAO) then the encoding and transmission energy required would be too much.

"Phone batteries to be supplimented by power from speech" might be a better headline.